Home / 124,039.04-186,081.60-57,435.20

Finding the Fourth Proportional to 124,039.04, 186,081.60 and 57,435.20

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Solution

The fourth proportional to 124,039.04, 186,081.60 and 57,435.20 is: 86,163.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,039.04 : 186,081.60 = 57,435.20 : x
  2. Step 2: Convert to fraction form
    124,039.04/186,081.60 = 57,435.20/x
  3. Step 3: Cross multiply
    124,039.04x = 186,081.60 × 57,435.20
  4. Step 4: Simplify right side
    124,039.04x = 10,687,633,912.32
  5. Step 5: Solve for x
    x = 10,687,633,912.32/124,039.04
  6. Step 6: Final answer
    x = 86,163.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.